lkml.org 
[lkml]   [2022]   [Apr]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: linux 5.17.1 disregarding ACK values resulting in stalled TCP connections
Jaco Kroon <jaco@uls.co.za> wrote:
> Including sysctl net.netfilter.nf_conntrack_log_invalid=6- which
> generates lots of logs, something specific I should be looking for?  I
> suspect these relate:
>
> [Sat Apr  2 10:31:53 2022] nf_ct_proto_6: SEQ is over the upper bound
> (over the window of the receiver) IN= OUT=bond0
> SRC=2c0f:f720:0000:0003:d6ae:52ff:feb8:f27b
> DST=2a00:1450:400c:0c08:0000:0000:0000:001a LEN=2928 TC=0 HOPLIMIT=64
> FLOWLBL=867133 PROTO=TCP SPT=48920 DPT=25 SEQ=2689938314 ACK=4200412020
> WINDOW=447 RES=0x00 ACK PSH URGP=0 OPT (0101080A2F36C1C120EDFB91) UID=8
> GID=12

I thought this had "liberal mode" enabled for tcp conntrack?
The above implies its off.

\
 
 \ /
  Last update: 2022-04-02 16:14    [W:0.083 / U:14.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site